Trailer lighting system



FIG. 1 is a left side view of the present invention; and

FIG. 2 is a rear view of the present invention; and

FIG. 3 is a right side view of the present invention; and,

FIG. 4 is a bottom view of the present invention.

Wherein the dotted lines herein illustrate environment and do not form any part of the claimed design. 

CLAIM The ornamental design for the trailer lighting system, as shown and described. 